CN203838289U - Device for testing partial discharge of AC-OWTS - Google Patents
Device for testing partial discharge of AC-OWTS Download PDFInfo
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- CN203838289U CN203838289U CN201320623224.9U CN201320623224U CN203838289U CN 203838289 U CN203838289 U CN 203838289U CN 201320623224 U CN201320623224 U CN 201320623224U CN 203838289 U CN203838289 U CN 203838289U
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- local discharge
- signal
- owts
- sensor unit
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- 230000005684 electric field Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 abstract description 7
- 230000005284 excitation Effects 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model is based on alternating-current excited oscillation waves, and proposes a device for testing the partial discharge of an AC-OWTS. The device consists of an alternating-current exciting unit, a resonance reactor, a partial discharge signal sensor unit, an embedded host computer, a wireless router, and a laptop. The output of the alternating-current exciting unit is connected with the partial discharge signal sensor unit through the resonance reactor, and then is connected with a capacitive tested object. A signal outputted by a sensor is connected with a collection card, and a digital signal outputted by the collection card is connected with the embedded host computer. The laptop is connected with the embedded host computer through the wireless router to become the remote desktop of the embedded host computer. The device provided by the utility model is the same as the power-frequency withstand voltage in excitation principles and equivalence of partial discharge.
Description
Technical field
The utility model relates to a kind of electrical test local discharge test device, especially a kind of local discharge test device based on the ac-excited generation wave of oscillation (AC-OWTS).
Background technology
Patent No. ZL200810124755.7 " a kind of apparatus for generating oscillating wave of using for electric equipment test " has proposed a kind of new ac-excited wave of oscillation (AC-OWTS) production method, it produces the high voltage wave of oscillation, the concrete proving installation of this patent shorter mention by the principle of resonance.
Utility model content
The purpose of this utility model is: based on the ac-excited wave of oscillation, propose a kind of AC-OWTS local discharge test device.
The utility model object is achieved in that proving installation is made up of ac-excited unit, resonance reactor, local discharge signal sensor unit or wireless routing local discharge sensor unit, embedded principal computer, wireless router and notebook computer; After the output of ac-excited unit is connected with local discharge signal sensor unit by resonance reactor, be connected with capacitive test specimen; The signal of sensor output connects capture card, and the digital signal of capture card output is connected with embedded principal computer; Notebook computer is connected with embedded principal computer by wireless router, as the Long-distance Control desktop of embedded principal computer.
In the utility model: local discharge signal sensor unit is one or more sensor units.
In the utility model: wireless routing local discharge sensor unit is made up of local discharge signal sensor, capture card and embedded computer.
In the utility model: the local discharge signal sensor of local discharge sensor unit is electric signal or ultrasonic signal or radiofrequency signal or electric field electric potential signal sensor.
The utility model has the advantage of: adopt the ac-excited wave of oscillation identical with industrial frequency withstand voltage shelf depreciation excitation mechanism and equivalence; Wireless routing local discharge sensor, at the local discharge sensor of multiple positions or plurality of classes, is conducive to analysis judgement and the location of local discharge signal.
Brief description of the drawings
Fig. 1 is AC-OWTS local discharge test device block diagram;
Fig. 2 is wireless routing local discharge sensor unit block diagram;
In Fig. 1 XZY be ac-excited unit, L be resonance reactor, CGQ local discharge signal sensor unit, GKJ be embedded principal computer, CJK be the signal of sensor output connect capture card, BJB be notebook computer, WYQ be power access end, JDL of wireless router, JDY local discharge test device for connecing capacitive test specimen terminal, WKG is wireless routing local discharge sensor unit.
In Fig. 2, CJJ is local discharge sensor, and its sensor is electric signal or ultrasonic or radio frequency or electric field potentiometric sensor; GJJ is the digital-to-analog conversion capture card of in-built electrical signal or ultrasonic signal or radiofrequency signal or electric field electric potential signal conditioning amplifier; WJJ is embedded computer.
Embodiment
Accompanying drawing discloses the embodiment of ultimate principle figure of the present utility model and specific embodiment thereof without limitation, below in conjunction with embodiment, the utility model is further described.
In figure, ac-excited unit XZY, resonance reactor L and capacitive test specimen form ac-excited wave of oscillation generation system; When the exciting power providing as ac-excited unit XZY and the equivalent capacity C of resonance reactor L and capacitive test specimen form resonance, can on the equivalent capacity C of test specimen, produce resonance high voltage; When resonant condition, even if turn-off the output of ac-excited unit XZY, the equivalent capacity C of test specimen also can not disappear at once; Turn-off when ac-excited, in the test specimen local discharge signal of synchronous acquisition, just do not have power supply and disturb; Partial discharge signal is exported by the local discharge signal sensor unit CGQ being parallel on test specimen, and CGQ output signal is transformed to digital signal through capture card CJK; Digital signal after conversion, by being embedded computer GKJ, carries out digital signal filter and wavelet analysis, obtains useful partial discharge quantity and positional information; The Partial discharge signal that wireless routing local discharge sensor WKG gathers, delivers to embedded principal computer GKJ by wireless router WYQ, carries out digital signal processing simultaneously.
Gather electric signal or multiple local discharge signal ultrasonic or radio frequency or electric field current potential form, be conducive to discriminatory analysis and the location of local discharge signal.
Claims (4)
1. an AC-OWTS local discharge test device, proving installation is made up of ac-excited unit, resonance reactor, local discharge signal sensor unit or wireless routing local discharge sensor unit, embedded principal computer, wireless router and notebook computer, its technical characterictic is: after the output of ac-excited unit is connected with local discharge signal sensor unit by resonance reactor, be connected with capacitive test specimen; The signal of sensor output connects capture card, and the digital signal of capture card output is connected with embedded principal computer; Notebook computer is connected with embedded principal computer by wireless router, as the Long-distance Control desktop of embedded principal computer.
2. an AC-OWTS local discharge test device as claimed in claim 1, its technical characterictic is: local discharge signal sensor unit is one or more sensor units.
3. an AC-OWTS local discharge test device as claimed in claim 1, its technical characterictic is: wireless routing local discharge sensor unit is made up of local discharge signal sensor, capture card and embedded computer.
4. an AC-OWTS local discharge test device as claimed in claim 1, its technical characterictic is: the local discharge signal sensor of local discharge sensor unit is electric signal or ultrasonic or radio frequency or electric field potentiometric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623224.9U CN203838289U (en) | 2013-10-09 | 2013-10-09 | Device for testing partial discharge of AC-OWTS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623224.9U CN203838289U (en) | 2013-10-09 | 2013-10-09 | Device for testing partial discharge of AC-OWTS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838289U true CN203838289U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623224.9U Expired - Lifetime CN203838289U (en) | 2013-10-09 | 2013-10-09 | Device for testing partial discharge of AC-OWTS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472379A (en) * | 2013-10-09 | 2013-12-25 | 薛建仁 | AC-OWTS partial discharge testing device |
-
2013
- 2013-10-09 CN CN201320623224.9U patent/CN203838289U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472379A (en) * | 2013-10-09 | 2013-12-25 | 薛建仁 | AC-OWTS partial discharge testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190307 Address after: 210061 No. 3 Lanhua Road, Nanjing High-tech Industrial Development Zone, Jiangsu Province Patentee after: NANJING SUTE ELECTRIC Co.,Ltd. Address before: 210061 No. 3 Lanhua Road, Nanjing High-tech Industrial Development Zone, Jiangsu Province Patentee before: Xue Jianren |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |